CN217280614U - Action contact mechanism capable of improving insulating property of relay - Google Patents
Action contact mechanism capable of improving insulating property of relay Download PDFInfo
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- CN217280614U CN217280614U CN202122995155.1U CN202122995155U CN217280614U CN 217280614 U CN217280614 U CN 217280614U CN 202122995155 U CN202122995155 U CN 202122995155U CN 217280614 U CN217280614 U CN 217280614U
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- insulating sleeve
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Abstract
The utility model discloses a can promote relay insulating properties's action contact mechanism, including contact site, coil portion and the action contact mechanism who runs through contact site and coil portion, the inside two static contacts that are equipped with of contact site, two the static contact is through the perpendicular symmetric distribution of action contact mechanism central line, the inside sealed chamber that is formed with of contact site, the utility model discloses a be provided with action contact mechanism, when coil portion circular telegram uses, the creepage distance between electrified bridge plate and push rod has effectively been increased to the nested assembly of upper and lower insulating cover to promote action contact mechanism's insulating properties, promote the insulating pressure resistance between high-low voltage circuit, effectively prevent high-voltage direct breakdown low-voltage circuit, indirectly promoted the reliability in the product use, reduce the potential safety hazard simultaneously, increase life.
Description
Technical Field
The utility model relates to a relay technical field, concretely relates to can promote relay insulating properties's action contact mechanism.
Background
A relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.
The control system and the controlled system are also called as a low-voltage system and a high-voltage system respectively, the control system mainly comprises a coil part (low voltage) and an auxiliary magnetic circuit generating electromagnetic force, the controlled system mainly comprises a moving contact, a static contact and a related contact supporting device in an output loop (high voltage), however, when the existing relay is used, due to poor insulating property, when the contact of the high-voltage circuit is closed, the high voltage is easy to break through the low-voltage circuit, so that the abnormal conditions of short circuit, disconnection or direct damage of the low-voltage circuit are caused, and the use effect is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can promote relay insulating properties's action contact mechanism to solve the problem of proposing in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: an action contact mechanism capable of improving the insulating property of a relay comprises a contact part, a coil part and an action contact mechanism penetrating through the contact part and the coil part, wherein two static contacts are arranged in the contact part and are respectively distributed on two sides of a central connecting line of the action contact mechanism;
a sealed cavity is formed inside the contact part.
Preferably, the action contact mechanism comprises a push rod penetrating through the contact part and the coil part, a push rod step is arranged at the top end of the push rod, a lower insulating sleeve is sleeved on the push rod step, the action contact mechanism further comprises a moving point plate, and the moving point plate is movably sleeved on the outer side of the upper part of the lower insulating sleeve.
Preferably, the center of the moving point plate is a through hole, and the through hole is slightly larger than the outer diameter of the lower insulating sleeve.
Preferably, a stopper is disposed above the moving point plate.
Preferably, an overtravel spring is sleeved between the moving point plate and the lower insulating sleeve, and a groove is formed in the outer side of the lower insulating sleeve.
Preferably, the top of the push rod is sleeved with an upper insulating sleeve, and the upper insulating sleeve is fixedly connected with the lower insulating sleeve.
Preferably, the top periphery of the upper insulating sleeve extends outwards and extends out of the stop part.
Preferably, the upper insulating sleeve and the lower insulating sleeve are made of high-temperature-resistant insulating materials.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a be provided with action contact mechanism, when coil portion circular telegram was used, action contact mechanism can touch with the static contact and connect to increase action contact mechanism's the creepage distance between board and the push rod of moving point, promote the dielectric strength resistance between high-low voltage circuit, prevent effectively that high voltage from directly puncturing low-voltage circuit, indirectly promoted the reliability in the product use, reduce the potential safety hazard simultaneously, increase life.
Drawings
Fig. 1 is a schematic view of the overall internal structure of the present invention;
FIG. 2 is a schematic view of the external structure of the motion contact mechanism of the present invention;
fig. 3 is an internal schematic view of the motion contact mechanism of the present invention.
In the figure: 1. a contact portion; 2. a coil section; 3. an action contact mechanism; 31. a push rod; 32. a lower insulating sleeve; 33. an over travel spring; 34. a moving point plate; 35. an insulating sleeve is arranged; 4. static contact; 5. sealing the cavity; 6. a push rod step; 7. a trench; 8. a stopper portion; 9. a threaded portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an action contact mechanism capable of improving the insulating property of a relay comprises a contact part 1, a coil part 2 and an action contact mechanism 3 penetrating through the contact part 1 and the coil part 2, wherein two static contacts 4 are arranged inside the contact part 1, and the two static contacts 4 are respectively distributed on two sides of a central connecting line of the action contact mechanism 3;
a sealed chamber 5 is formed inside the contact portion 1.
In this embodiment, the operating contact mechanism 3 includes a push rod 31 penetrating through the contact portion 1 and the coil portion 2, a push rod step 6 is disposed at a top end of the push rod 31, a lower insulating sleeve 32 is sleeved on the push rod step 6, and the operating contact mechanism 3 further includes an operating point plate 34, wherein the operating point plate 34 is movably sleeved on an upper outer side of the lower insulating sleeve 32.
In this embodiment, the center of the moving point plate 34 is a through hole, which is slightly larger than the outer diameter of the lower insulating sleeve 32, so that the moving point plate 34 can freely move in the vertical direction outside the upper portion of the lower insulating sleeve 32, and the normal use of the moving point plate is ensured.
Further, a stopper 8 is provided above the movable point plate 34.
In the embodiment, an over travel spring 33 is sleeved between the moving point plate 34 and the lower insulating sleeve 32, a groove 7 is arranged on the outer side of the lower insulating sleeve 32, and the groove 7 is a circular groove;
wherein, the round groove can be used for limiting the overtravel spring 33.
The top cover of push rod 31 is equipped with insulating cover 35, goes up insulating cover 35 and is connected with fixed connection down between insulating cover 32, this implementation through last insulating cover 35 is provided with screw thread portion 9, utilize screw thread portion 9 with carry out the screw thread and close the connection between the insulating cover 32.
Of course, the upper insulating sleeve 35 and the lower insulating sleeve 32 may be fixed by bonding, welding, riveting, or the like.
The top periphery of the upper insulating sleeve 35 extends outward and protrudes beyond the stopper 8, thereby serving to limit the operation of the moving point plate 34.
The upper insulating sleeve 35 and the lower insulating sleeve 32 are made of a high-temperature-resistant insulating material, such as a high-temperature-resistant plastic material.
Specifically, in use, the push rod 31 can be driven to move upwards after the coil of the coil part 2 is conducted, so that the push rod 31 drives the moving point plate 34 to move upwards, and at this time, the moving point plate 34 contacts with the two static contacts 4, the current flows from one static contact 4, and flows out of the other static contact 4, and the distance between the moving point plate 34 and the push rod 31 can be continuously increased in the moving process until the moving point plate 34 is farthest away from the static contact 4, so that the creepage distance of current can be effectively increased in the process, the insulation and voltage resistance between high-voltage and low-voltage circuits can be improved, the high-voltage circuit can be effectively prevented from being directly broken through, the reliability of the product in the using process can be indirectly improved, meanwhile, the potential safety hazard is reduced, the service life is prolonged, and when the coil of the coil part 2 is disconnected with current, the push rod 31 can drive the point plate 34 to reset, so that the moving point plate 34 and the static contact are separated from each other.
To sum up, the utility model discloses a can promote relay insulating property's action contact mechanism uses through the cooperation between each structure of action contact mechanism, can effectively improve the creepage distance of electric current at the relay during operation, promotes the withstand voltage performance between high-low voltage circuit, prevents effectively that the high voltage from directly puncturing low-voltage circuit, has indirectly promoted the reliability in the product use, reduces the potential safety hazard simultaneously, increases life.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The action contact mechanism capable of improving the insulating property of the relay is characterized by comprising a contact part (1), a coil part (2) and an action contact mechanism (3) penetrating through the contact part (1) and the coil part (2), wherein two static contacts (4) are arranged inside the contact part (1), and the two static contacts (4) are respectively distributed on two sides of a central connecting line of the action contact mechanism (3);
a sealing cavity (5) is formed inside the contact part (1).
2. The operating contact mechanism capable of improving the insulating performance of the relay according to claim 1, wherein: action contact mechanism (3) are including push rod (31) that run through contact site (1) and coil portion (2), push rod (31) top is provided with push rod step (6), the cover is equipped with down insulating cover (32) on push rod step (6), action contact mechanism (3) still include move some board (34), move some board (34) activity cover and establish insulating cover (32) top outside down.
3. The operating contact mechanism capable of improving the insulating performance of the relay according to claim 2, wherein: the center of the moving point plate (34) is a through hole which is slightly larger than the outer diameter of the lower insulating sleeve (32).
4. The operating contact mechanism capable of improving the insulating performance of the relay according to claim 2, wherein: a stop part (8) is arranged above the moving point plate (34).
5. The operating contact mechanism capable of improving the insulating performance of the relay according to claim 2, wherein: an overtravel spring (33) is sleeved between the moving point plate (34) and the lower insulating sleeve (32), and a groove (7) is arranged on the outer side of the lower insulating sleeve (32).
6. The operating contact mechanism capable of improving the insulating performance of the relay according to claim 2, wherein: the top of the push rod (31) is sleeved with an upper insulating sleeve (35), and the upper insulating sleeve (35) is fixedly connected with the lower insulating sleeve (32).
7. The moving contact mechanism capable of improving the insulating performance of the relay according to claim 6, wherein: the top periphery of the upper insulating sleeve (35) extends outwards and extends out of the stop part (8).
8. The operating contact mechanism capable of improving the insulating performance of the relay according to claim 6, wherein: the upper insulating sleeve (35) and the lower insulating sleeve (32) are made of high-temperature-resistant insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122995155.1U CN217280614U (en) | 2021-12-01 | 2021-12-01 | Action contact mechanism capable of improving insulating property of relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122995155.1U CN217280614U (en) | 2021-12-01 | 2021-12-01 | Action contact mechanism capable of improving insulating property of relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217280614U true CN217280614U (en) | 2022-08-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122995155.1U Active CN217280614U (en) | 2021-12-01 | 2021-12-01 | Action contact mechanism capable of improving insulating property of relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217280614U (en) |
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2021
- 2021-12-01 CN CN202122995155.1U patent/CN217280614U/en active Active
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